Statements of Operations - USD ($)	3 Months Ended
	Jan. 31, 2016	Jan. 31, 2015
Condensed Statements of Operations [Abstract]
Revenues	$ 51,001,654	$ 58,692,502
Cost of Goods Sold	49,568,777	53,064,397
Gross Profit	1,432,877	5,628,105
Operating Expenses	1,400,846	1,423,387
Operating Income	32,031	4,204,718
Other Income (Expense)
Other income, net	67,679	46,974
Interest income	2,799	3,648
Interest expense	(75,964)	(70,467)
Total other expense, net	(5,486)	(19,845)
Net Income	26,545	4,184,873
Less:Net Income Attributable to Non-controlling Interest	15,019	417,781
Net Income Attributable to Granite Falls Energy, LLC	$ 11,526	$ 3,767,092
Weighted Average Units Outstanding - Basic and Diluted	30,606	30,606
Net Income Per Unit - Basic and Diluted	$ 0.38	$ 123.08
Distributions Per Unit - Basic and Diluted	$ 315.00	$ 1,050.00